ZM

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · derivative · entry 6

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 19,601,268

Underlying: Class A Common Stock · 3,565,600 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · nonDerivative · entry 5

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,445

F7 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata distributions described above.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · nonDerivative · entry 4

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 434,400

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,565,600

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000899243-20-008061 · doc4a.xml · derivative · entry 7

Emergence Capital Partners III, L.P. · CIK 0001526541 · 10% owner

Emergence Equity Partners III, L.P. · CIK 0001773803 · 10% owner

EZP Opportunity, L.P. · CIK 0001691097 · 10% owner

EMERGENCE GP PARTNERS, LLC · CIK 0001589115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By EZP Opportunity, L.P.

Disclosed balance after: 2,387,557

Underlying: Class A Common Stock · 434,400 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, EEP III, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 108,600 of these shares is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019. Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, EEP III, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 108,600 of these shares is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019. Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one (1) share of Class A Common Stock, and has no expiration date. Each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon certain events specified in the Issuer's certificate of incorporation.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one (1) share of Class A Common Stock, and has no expiration date. Each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon certain events specified in the Issuer's certificate of incorporation.

F5 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. Each of the Reporting Persons on this filing (other than EZP) disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of its pecuniary interest therein, and this report shall not be deemed an admission that it is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000899243-20-008061 · doc4a.xml · derivative · entry 6

Emergence Capital Partners III, L.P. · CIK 0001526541 · 10% owner

Emergence Equity Partners III, L.P. · CIK 0001773803 · 10% owner

EZP Opportunity, L.P. · CIK 0001691097 · 10% owner

EMERGENCE GP PARTNERS, LLC · CIK 0001589115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Emergence Capital Partners III, L.P.

Disclosed balance after: 19,601,268

Underlying: Class A Common Stock · 3,565,600 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 891,400 of these shares is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · derivative.exercise_price: (Continued from Footnote 2) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 891,400 of these shares is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (Continued from Footnote 2) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one (1) share of Class A Common Stock, and has no expiration date. Each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon certain events specified in the Issuer's certificate of incorporation.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one (1) share of Class A Common Stock, and has no expiration date. Each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon certain events specified in the Issuer's certificate of incorporation.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). Each of the Reporting Persons on this filing (other than Emergence) disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of its pecuniary interest therein, and this report shall not be deemed an admission that it is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000899243-20-008061 · doc4a.xml · nonDerivative · entry 4

Emergence Capital Partners III, L.P. · CIK 0001526541 · 10% owner

Emergence Equity Partners III, L.P. · CIK 0001773803 · 10% owner

EZP Opportunity, L.P. · CIK 0001691097 · 10% owner

EMERGENCE GP PARTNERS, LLC · CIK 0001589115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By EZP Opportunity, L.P.

Disclosed balance after: 0

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, EEP III, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 108,600 of these shares is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019. Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F4 · price: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, EEP III, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 108,600 of these shares is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019. Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F5 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. Each of the Reporting Persons on this filing (other than EZP) disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of its pecuniary interest therein, and this report shall not be deemed an admission that it is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000899243-20-008061 · doc4a.xml · nonDerivative · entry 3

Emergence Capital Partners III, L.P. · CIK 0001526541 · 10% owner

Emergence Equity Partners III, L.P. · CIK 0001773803 · 10% owner

EZP Opportunity, L.P. · CIK 0001691097 · 10% owner

EMERGENCE GP PARTNERS, LLC · CIK 0001589115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By EZP Opportunity, L.P.

Disclosed balance after: 434,400

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, EEP III, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 108,600 of these shares is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019. Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F4 · price: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, EEP III, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 108,600 of these shares is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019. Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F5 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. Each of the Reporting Persons on this filing (other than EZP) disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of its pecuniary interest therein, and this report shall not be deemed an admission that it is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000899243-20-008061 · doc4a.xml · nonDerivative · entry 2

Emergence Capital Partners III, L.P. · CIK 0001526541 · 10% owner

Emergence Equity Partners III, L.P. · CIK 0001773803 · 10% owner

EZP Opportunity, L.P. · CIK 0001691097 · 10% owner

EMERGENCE GP PARTNERS, LLC · CIK 0001589115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Emergence Capital Partners III, L.P.

Disclosed balance after: 0

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 891,400 of these shares is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (Continued from Footnote 2) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F1 · price: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 891,400 of these shares is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · price: (Continued from Footnote 2) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). Each of the Reporting Persons on this filing (other than Emergence) disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of its pecuniary interest therein, and this report shall not be deemed an admission that it is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000899243-20-008061 · doc4a.xml · nonDerivative · entry 1

Emergence Capital Partners III, L.P. · CIK 0001526541 · 10% owner

Emergence Equity Partners III, L.P. · CIK 0001773803 · 10% owner

EZP Opportunity, L.P. · CIK 0001691097 · 10% owner

EMERGENCE GP PARTNERS, LLC · CIK 0001589115 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Emergence Capital Partners III, L.P.

Disclosed balance after: 3,565,600

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 891,400 of these shares is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (Continued from Footnote 2) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F1 · price: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. The distribution of 891,400 of these shares is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · price: (Continued from Footnote 2) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). Each of the Reporting Persons on this filing (other than Emergence) disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of its pecuniary interest therein, and this report shall not be deemed an admission that it is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · derivative · entry 8

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,387,557

Underlying: Class A Common Stock · 434,400 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · derivative · entry 7

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 19,601,268

Underlying: Class A Common Stock · 3,565,600 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · nonDerivative · entry 6

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,445

F7 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata distributions described above.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · nonDerivative · entry 4

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 434,400

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,565,600

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · derivative · entry 8

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,387,557

Underlying: Class A Common Stock · 434,400 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · derivative · entry 7

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 19,601,268

Underlying: Class A Common Stock · 3,565,600 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and itsgeneral partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · nonDerivative · entry 6

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,445

F7 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata distributions described above.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · nonDerivative · entry 4

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 434,400

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and itsgeneral partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,565,600

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and itsgeneral partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · derivative · entry 15

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 42,700 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · derivative · entry 14

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,700

Underlying: Class A Common Stock · 42,700 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · derivative · entry 13

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,000

Underlying: Class B Common Stock · 42,700 shares

Expires 2025-11-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_date: 1/4 of the shares subject to the option vested on November 9, 2016, and 1/48 of the shares vest monthly thereafter.

F8 · derivative.underlying: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · nonDerivative · entry 9

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 221,327

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · nonDerivative · entry 8

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 221,331

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.00 to $105.90. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · nonDerivative · entry 7

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 264,027

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001585521-20-000050 · wf-form4_158232791772956.xml · derivative · entry 8

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Class A Common Stock · 50,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F7 · derivative.underlying_shares: The shares were issued pursuant to an option that was early exercised by the Reporting Person, and 158,334 shares are subject to the Issuer's right to repurchase as of the date hereof.

SEC source: 0001585521-20-000050 · wf-form4_158232791772956.xml · nonDerivative · entry 6

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F5 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.00 to $110.64. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0001585521-20-000050 · wf-form4_158232791772956.xml · nonDerivative · entry 5

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · derivative · entry 12

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 22,300 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · derivative · entry 11

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,300

Underlying: Class A Common Stock · 22,300 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · derivative · entry 10

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,700

Underlying: Class B Common Stock · 22,300 shares

Expires 2025-11-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_date: 1/4 of the shares subject to the option vested on November 9, 2016, and 1/48 of the shares vest monthly thereafter.

F8 · derivative.underlying: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · nonDerivative · entry 6

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 221,327

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · nonDerivative · entry 5

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 243,627

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F5 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.44 to $103.00. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · nonDerivative · entry 4

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 244,127

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.37 to $102.00. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · nonDerivative · entry 3

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 245,127

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.23 to $101.12. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0001585521-20-000045 · wf-form4_158224116452870.xml · nonDerivative · entry 2

Benhorin Roy · CIK 0001773302 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 259,627

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001585521-20-000050 · wf-form4_158232791772956.xml · derivative · entry 7

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 350,000

Underlying: Class A Common Stock · 50,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F7 · derivative.underlying_shares: The shares were issued pursuant to an option that was early exercised by the Reporting Person, and 158,334 shares are subject to the Issuer's right to repurchase as of the date hereof.

SEC source: 0001585521-20-000050 · wf-form4_158232791772956.xml · nonDerivative · entry 4

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.19 to $102.81. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0001585521-20-000050 · wf-form4_158232791772956.xml · nonDerivative · entry 3

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.10 to $101.91. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0001585521-20-000050 · wf-form4_158232791772956.xml · nonDerivative · entry 2

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,629

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.10 to $101.09. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0001585521-20-000050 · wf-form4_158232791772956.xml · nonDerivative · entry 1

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001585521-20-000051 · wf-form4_158232794325955.xml · nonDerivative · entry 5

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 38,979

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F7 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.89 to $105.00. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

F3 · ownership.nature: The shares are held of record by Kelly Steckelberg Trust dated July 29, 2006, for which the Reporting Person serves as trustee.

SEC source: 0001585521-20-000051 · wf-form4_158232794325955.xml · nonDerivative · entry 4

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 39,479

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.63 to $104.59. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

F3 · ownership.nature: The shares are held of record by Kelly Steckelberg Trust dated July 29, 2006, for which the Reporting Person serves as trustee.